Omega Constellation Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Steel / Red Gold / MOP

Reference 127.20.27.20.55.001

Omega Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Steel / Red Gold / MOP

About this watch

The Omega Constellation Co-Axial Master Chronometer with the reference number 127.20.27.20.55.001 is a stunning representation of luxury watches. This exquisite timepiece combines innovative technology, elegant design, and rich heritage. Its luxurious materials, including red gold and stainless steel, create a striking contrast that exudes sophistication. The mother of pearl dial adds an iridescent quality, making every glance at the watch feel like a moment of discovery. The open case back allows you to admire the intricate movement of the Omega Caliber 8704, which features the renowned Co-Axial escapement and Master Chronometer certification granted by METAS. This self-winding movement is a marvel of engineering, significantly reducing friction between components for greater accuracy and longevity. The watch is packed with features that enhance its usability, including classic hours, minutes, small seconds hand, and date function. With a water resistance rating of 100 meters, this watch can handle daily wear and occasional exposure to water. Its design is timeless, making it a worthy investment for years to come.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Luxurious red gold and stainless steel materials
  • Mother of pearl dial with gem-set indexes
  • Omega Caliber 8704 Co-Axial escapement movement
  • Master Chronometer certification by METAS
  • Water resistance up to 100 meters
  • Date function and small seconds hand
  • Classic hours, minutes, and Dauphine hands for optimal legibility

Specifications

Brand
Omega
Family
Constellation
Model
Constellation Co‑Axial Master Chronometer 27 Small Seconds Stainless Steel / Red Gold / MOP
Reference
127.20.27.20.55.001
Movement
8704
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
27mm
Dial Color
White
Crystal
Sapphire
Water Resistance
100

Current Listings

[WTS] Omega Constellation 168.017 (1966)

Omega Constellation 168.017 (1966)

Omega - 168.017 · $900
This Omega Constellation features a beautiful original 'C-Shape' dial and is accompanied by its genuine Omega 518 brick bracelet.

  • Condition: Good condition overall
  • Movement: Cal. 561
  • Bracelet: Genuine Omega 518 brick bracelet
Posted at
Dec 12, 2025, 10:03 AM
Active
View listing on r/WatchExchange
[WTS] REDUCED Omega Constellation Gold Cap ( REF:168.018 ) $750 Shipped.....

REDUCED Omega Constellation Gold Cap ( REF:168.018 ) $750 Shipped.....

Omega - 168.018 · $750
A beautiful example of the classic Omega Constellation Automatic Chronometer from the late 1960s. It features an original silver sunburst dial with applied gold markers and date at 3 o'clock, a gold-capped stainless steel case (34mm), and an iconic Observatory medallion on the caseback.

  • Condition: Excellent condition, freshly serviced
  • Case size: 34mm diameter
  • Movement: Caliber 561
  • Crystal: Acrylic crystal
Posted at
Dec 12, 2025, 8:28 AM
Active
View listing on r/WatchExchange
[WTS] OMEGA Constellation Ref. 123.20.35.20.06.001 Yellow Gold Two-Tone - COMPLETE SET!

OMEGA Constellation Ref. 123.20.35.20.06.001 Yellow Gold Two-Tone - COMPLETE SET!

OMEGA - 123.20.35.20.06.001 · $3,250
The OMEGA Constellation Ref. 123.20.35.20.06.001 is a sophisticated timepiece that celebrates the enduring legacy of OMEGA's iconic Constellation collection, featuring a distinctive stainless steel and yellow gold case with Roman numerals on a polished bezel.

  • Condition: VERY GOOD, with some light scratches on bracelet
  • Case material: stainless steel and yellow gold
  • Bracelet size: ~7" wrist
Posted at
Dec 12, 2025, 1:09 AM
Active
View listing on r/WatchExchange
[WTS] 1971 Omega Constellation C-Case ref. 168.0056, gold-capped chronometer cal. 1011 – serviced Oct 2025 – $975 shipped

1971 Omega Constellation C-Case ref. 168.0056, gold-capped chronometer cal. 1011 – serviced Oct 2025 – $975 shipped

Omega - 168.0056 · $975
A 1971 Omega Constellation C-Case chronometer with a gold-capped stainless steel case, solid gold bezel, and warm champagne dial.

  • Condition: Excellent condition with normal wear from honest use
  • Caliber: Omega cal. 1011
  • Movement Service Date: Oct 2025
  • Case Dimensions: 40mm diameter
Posted at
Dec 11, 2025, 4:07 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation super nice condition, complete bracelet. Cal. 751 ref. 168.045. Complete bracelet. Shipping from El Salvador, price inculdes shipping, custom fees. No trades. $1200 - find me on IG as Boldervintage.

Omega Constellation super nice condition, complete bracelet. Cal. 751 ref. 168.045. Complete bracelet. Shipping from El Salvador, price inculdes shipping, custom fees. No trades. $1200 - find me on IG as Boldervintage.

Omega - 168.045 · $1,200
This Omega Constellation is complete with its original bracelet, offering a stylish and premium accessory for any watch enthusiast.

  • Condition: super nice condition
  • Shipping Included: true
  • Custom Fees Included: true
Posted at
Dec 11, 2025, 12:39 PM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation Chronometer Quartz 198.0126 Cal.1333 Quartz Push Men watch

Omega Constellation Chronometer Quartz 198.0126 Cal.1333 Quartz Push Men watch

Omega - 198.0126 Cal.1333
Posted at
Dec 11, 2025, 3:52 AM
Active
View listing on r/WatchExchange
[WTS] Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

Omega Constellation 18K Rose Gold Silver Pie Pan Dial 1960

Omega - 14393 · $8,000
This is a very rare 1960s Omega Constellation Ref. 14393 in 18K rose gold, one of the harder to find variants due to its limited production.

  • Material: 18K rose gold
  • Production Year: 1960s
Posted at
Dec 10, 2025, 11:25 AM
Active
View listing on r/WatchExchange
[WTS] 1960's Omega Constellation Ref. CD 168.017 14k gold capped automatic chronometer

1960's Omega Constellation Ref. CD 168.017 14k gold capped automatic chronometer

Omega - CD 168.017 · $900
A 1966 Omega Constellation Ref. CD 168.017 features a 14k yellow gold capped stainless steel case and a fantastic dial with a few small scratches on the crystal.

  • Condition: Good used condition
  • Year: 1966
  • Case material: 14k yellow gold capped stainless steel
Posted at
Dec 10, 2025, 12:00 AM
Active
View listing on r/WatchExchange
[WTS] omega constellation diamond dial watch $1395

omega constellation diamond dial watch $1395

Omega - null · $1,395
  • Diamond dial: Diamond dial on the Omega Constellation watch
Posted at
Dec 9, 2025, 12:03 PM
Active
View listing on r/WatchExchange